public Task <Match> WaitForMatch(Regex regex, int timeoutMilliseconds = 0)
{
var tcs = new TaskCompletionSource <Match>();
var completionLock = new object();
OnReceivedLineHandler onReceivedLineHandler = null;
OnStreamClosedHandler onStreamClosedHandler = null;
onReceivedLineHandler = line =>
{
var match = regex.Match(line);
if (match.Success)
{
lock (completionLock)
{
if (!tcs.Task.IsCompleted)
{
OnReceivedLine -= onReceivedLineHandler;
OnStreamClosed -= onStreamClosedHandler;
tcs.SetResult(match);
}
}
}
};
onStreamClosedHandler = () =>
{
lock (completionLock)
{
if (!tcs.Task.IsCompleted)
{
OnReceivedLine -= onReceivedLineHandler;
OnStreamClosed -= onStreamClosedHandler;
tcs.SetException(new EndOfStreamException());
}
}
};
OnReceivedLine += onReceivedLineHandler;
OnStreamClosed += onStreamClosedHandler;
if (timeoutMilliseconds > 0)
{
var timeoutToken = new CancellationTokenSource(timeoutMilliseconds);
timeoutToken.Token.Register(() =>
{
lock (completionLock)
{
if (!tcs.Task.IsCompleted)
{
OnReceivedLine -= onReceivedLineHandler;
OnStreamClosed -= onStreamClosedHandler;
tcs.SetCanceled();
}
}
});
}
return(tcs.Task);
}
public Task <Match> WaitForMatch(Regex regex, TimeSpan timeout = default)
{
var tcs = new TaskCompletionSource <Match>();
var completionLock = new object();
OnReceivedLineHandler onReceivedLineHandler = null;
OnStreamClosedHandler onStreamClosedHandler = null;
void ResolveIfStillPending(Action applyResolution)
{
lock (completionLock)
{
if (!tcs.Task.IsCompleted)
{
OnReceivedLine -= onReceivedLineHandler;
OnStreamClosed -= onStreamClosedHandler;
applyResolution();
}
}
}
onReceivedLineHandler = line =>
{
var match = regex.Match(line);
if (match.Success)
{
ResolveIfStillPending(() => tcs.SetResult(match));
}
};
onStreamClosedHandler = () =>
{
ResolveIfStillPending(() => tcs.SetException(new EndOfStreamException()));
};
OnReceivedLine += onReceivedLineHandler;
OnStreamClosed += onStreamClosedHandler;
if (timeout != default)
{
var timeoutToken = new CancellationTokenSource(timeout);
timeoutToken.Token.Register(() =>
{
ResolveIfStillPending(() => tcs.SetCanceled());
});
}
return(tcs.Task);
}
public Task <Match> WaitForMatch(Regex regex)
{
var tcs = new TaskCompletionSource <Match>();
var completionLock = new object();
OnReceivedLineHandler onReceivedLineHandler = null;
OnStreamClosedHandler onStreamClosedHandler = null;
void ResolveIfStillPending(Action applyResolution)
{
lock (completionLock)
{
if (tcs.Task.IsCompleted)
{
return;
}
// ReSharper disable AccessToModifiedClosure
OnReceivedLine -= onReceivedLineHandler;
OnStreamClosed -= onStreamClosedHandler;
// ReSharper restore AccessToModifiedClosure
applyResolution();
}
}
onReceivedLineHandler = line =>
{
Match match = regex.Match(line);
if (match.Success)
{
ResolveIfStillPending(() => tcs.SetResult(match));
}
};
onStreamClosedHandler = () =>
{
ResolveIfStillPending(() => tcs.SetException(new EndOfStreamException()));
};
OnReceivedLine += onReceivedLineHandler;
OnStreamClosed += onStreamClosedHandler;
return(tcs.Task);
}
public Task<Match> WaitForMatch(Regex regex)
{
var tcs = new TaskCompletionSource<Match>();
var completionLock = new object();
OnReceivedLineHandler onReceivedLineHandler = null;
OnStreamClosedHandler onStreamClosedHandler = null;
void ResolveIfStillPending(Action applyResolution)
{
lock (completionLock)
{
if (!tcs.Task.IsCompleted)
{
OnReceivedLine -= onReceivedLineHandler;
OnStreamClosed -= onStreamClosedHandler;
applyResolution();
}
}
}
onReceivedLineHandler = line =>
{
var match = regex.Match(line);
if (match.Success)
{
ResolveIfStillPending(() => tcs.SetResult(match));
}
};
onStreamClosedHandler = () =>
{
ResolveIfStillPending(() => tcs.SetException(new EndOfStreamException()));
};
OnReceivedLine += onReceivedLineHandler;
OnStreamClosed += onStreamClosedHandler;
return tcs.Task;
}
public Task <string> ReadLine()
{
var tcs = new TaskCompletionSource <string>();
var completionLock = new object();
OnReceivedLineHandler onReceivedLineHandler = null;
OnStreamClosedHandler onStreamClosedHandler = null;
void ResolveIfStillPending(Action applyResolution)
{
lock (completionLock)
{
if (!tcs.Task.IsCompleted)
{
OnReceivedLine -= onReceivedLineHandler;
OnStreamClosed -= onStreamClosedHandler;
applyResolution();
}
}
}
onReceivedLineHandler = line =>
{
ResolveIfStillPending(() => tcs.SetResult(line));
};
onStreamClosedHandler = () =>
{
ResolveIfStillPending(() => tcs.SetException(new EndOfStreamException()));
};
OnReceivedLine += onReceivedLineHandler;
OnStreamClosed += onStreamClosedHandler;
return(tcs.Task);
}
private void OnClosed()
{
OnStreamClosedHandler dlg = OnStreamClosed;
dlg?.Invoke();
}